If I - for instance - setup a stack of 4 3550 switches with Gigastack GBICs, is the other GBIC port in all four switches available for use? Can I put in 4 1000bSX modules for instance and uplink to other switches and servers?

Current configuration consists of two WAN pipes for different networks (student/faculty) Sonicwalls on each side tied to a 2600 router (belonging to the ISP). Student pipe has 2 T1's, faculty has 1 T1.Is there a way, with a router inserted in the m...

I have configured the below access-lists: access-list 101 permit udp any any range 2048 2305 access-list 101 permit udp any any eq 1719 access-list 101 permit tcp any any eq 1720 access-list 101 permit tcp any any eq 1037and assigned to queues thus: ...